complement, append, supplement 的区别和用法辨析及示例例句

这组词都有“补充”的意思,其区别是:
complement: n.补充,补充物,主要指补充不足使之完美。
 ➤ Rice makes an excellent complement to a curry dish.  
有咖喱的菜配米饭最棒。

append: n.附加,添上或补充某事物(尤指文字)。
 ➤ The lawyer appended two more pages to the contract.  
律师在合同后又附加了两页。

supplement: n.增补,补充,补贴,主要指另外补加,增补。
 ➤ One year after we made our report, we had to add a supplement to cover new events.  
我们在报告完成一年之后,必须增补一个包含新事件的附加部分。